Flashlight lens



FIG. 1 is a front elevation view of a flashlight lens showing my new design;

FIG. 2 is a left side view thereof;

FIG. 3 is a right side view thereof;

FIG. 4 is a rear elevation view thereof; and,

FIG. 5 is a top view thereof.

The broken line environmental showing is for illustrative purposes only and forms no part of the claimed design. 

I claim the ornamental design for a flashlight lens, as shown and described. 